package com.itheima.lw.consumer.web;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.net.URI;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("consumer")
public class ConsumerController {
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    DiscoveryClient discoveryClient;

    @GetMapping("{id}")
    public Map queryById(@PathVariable("id") String id) {
//        String url = "http://localhost:8081/user/" + username;
//        Map map = restTemplate.getForObject(url, Map.class);
//        System.out.println(map);
//        return map;
        List<ServiceInstance> instances = discoveryClient.getInstances("user-service");
        ServiceInstance serviceInstance = instances.get(0);
        System.out.println("主机名:" + serviceInstance.getHost());
        System.out.println("端口号:" + serviceInstance.getPort());

        String url = "http://user-service/user/" + id; // user-service 微服务名称
        Map map = restTemplate.getForObject(url, Map.class);
        return map;
    }
}
